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-rw-r--r--src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java43
1 files changed, 40 insertions, 3 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java b/src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java
index 4a720a4f9..95f87be29 100644
--- a/src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java
+++ b/src/jogl/classes/com/jogamp/opengl/GLRendererQuirks.java
@@ -192,21 +192,58 @@ public class GLRendererQuirks {
public static final int GLSLNonCompliant = 12;
/**
- * GL4 context needs to be requested via GL3
+ * GL4 context needs to be requested via GL3 profile attribute
* <ul>
* <li>OSX >= 10.9.0 - kCGLOGLPVersion_GL4_Core may not produce hw-accel context. Bug 867 @ https://jogamp.org/bugzilla/.</li>
* </ul>
*/
public static final int GL4NeedsGL3Request = 13;
+ /**
+ * Buggy shared OpenGL context support within a multithreaded use-case, not suitable for stable usage.
+ * <p>
+ * <i>X11 Mesa DRI Intel(R) driver >= 9.2.1</i> cannot handle multithreaded shared GLContext usage
+ * with non-blocking exclusive X11 display connections.
+ * References:
+ * <ul>
+ * <li>Bug 873: https://jogamp.org/bugzilla/show_bug.cgi?id=873</li>
+ * <li>https://bugs.freedesktop.org/show_bug.cgi?id=41736#c8</li>
+ * </ul>
+ * <p>
+ * However, not all multithreaded use-cases are broken, e.g. our GLMediaPlayer does work.
+ * </p>
+ * The above has been confirmed for the following Mesa 9.* strings:
+ * <ul>
+ * <li>GL_VENDOR Intel Open Source Technology Center</li>
+ * <li>GL_RENDERER Mesa DRI Intel(R) Sandybridge Desktop</li>
+ * <li>GL_RENDERER Mesa DRI Intel(R) Ivybridge Mobile</li>
+ * <li>GL_VERSION 3.1 (Core Profile) Mesa 9.2.1</li>
+ * </ul>
+ * </p>
+ * <p>
+ * On Android 4.*, <i>Huawei's Ascend G615 w/ Immersion.16</i> could not make a shared context
+ * current, which uses a pbuffer drawable:
+ * <ul>
+ * <li>Android 4.*</li>
+ * <li>GL_VENDOR Hisilicon Technologies</li>
+ * <li>GL_RENDERER Immersion.16</li>
+ * <li>GL_VERSION OpenGL ES 2.0</li>
+ * </ul>
+ * </p>
+ * <p>
+ * </p>
+ */
+ public static final int GLSharedContextBuggy = 14;
+
/** Number of quirks known. */
- public static final int COUNT = 14;
+ public static final int COUNT = 15;
private static final String[] _names = new String[] { "NoDoubleBufferedPBuffer", "NoDoubleBufferedBitmap", "NoSetSwapInterval",
"NoOffscreenBitmap", "NoSetSwapIntervalPostRetarget", "GLSLBuggyDiscard",
"GLNonCompliant", "GLFlushBeforeRelease", "DontCloseX11Display",
"NeedCurrCtx4ARBPixFmtQueries", "NeedCurrCtx4ARBCreateContext",
- "NoFullFBOSupport", "GLSLNonCompliant", "GL4NeedsGL3Request"
+ "NoFullFBOSupport", "GLSLNonCompliant", "GL4NeedsGL3Request",
+ "GLSharedContextBuggy"
};
private static final IdentityHashMap<String, GLRendererQuirks> stickyDeviceQuirks = new IdentityHashMap<String, GLRendererQuirks>();